Url Monitoring not working after upgrading to v 10100 from 9010

Url Monitoring not working after upgrading to v 10100 from 9010

After upgrading to v  10100 our url monitors are not working.
Specifically we're testing the results of a page for a key word "active"

Currently the page is not returing the key word active, yet OpManager is still showing the URL as up and Ok. When I click the link "check url" in the monitor properties the spinning circle continues indefinitely.

Is this a known issue?
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